1398476347 has 2 divisors, whose sum is σ = 1398476348. Its totient is φ = 1398476346.

The previous prime is 1398476341. The next prime is 1398476357. The reversal of 1398476347 is 7436748931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1398476347 - 2¹¹ = 1398474299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1398476294 and 1398476303.

It is not a weakly prime, because it can be changed into another prime (1398476341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699238173 + 699238174.

It is an arithmetic number, because the mean of its divisors is an integer number (699238174).

Almost surely, 2^1398476347 is an apocalyptic number.

1398476347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398476347 is an equidigital number, since it uses as much as digits as its factorization.

1398476347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 52.

The square root of 1398476347 is about 37396.2076553225. The cubic root of 1398476347 is about 1118.2829629186.

The spelling of 1398476347 in words is "one billion, three hundred ninety-eight million, four hundred seventy-six thousand, three hundred forty-seven".